desktop: Switch to file_picker

desktop/lib/platform.dart

@@ -1,21 +1,13 @@
 import 'dart:io';
 
-import 'package:file_chooser/file_chooser.dart';
+import 'package:file_picker/file_picker.dart';
 import 'package:musicus_common/musicus_common.dart';
 import 'package:path/path.dart' as p;
 
 class MusicusDesktopPlatform extends MusicusPlatform {
   @override
   Future<String> chooseBasePath() async {
-    final result = await showOpenPanel(
-      canSelectDirectories: true,
-    );
-
-    if (result != null && !result.canceled) {
-      return result.paths.first;
-    } else {
-      return null;
-    }
+    return await FilePicker.platform.getDirectoryPath();
   }
 
   @override

desktop/linux/flutter/CMakeLists.txt

@@ -78,7 +78,8 @@ add_custom_command(
   COMMAND ${CMAKE_COMMAND} -E env
     ${FLUTTER_TOOL_ENVIRONMENT}
     "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
-      linux-x64 ${CMAKE_BUILD_TYPE}
+      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+  VERBATIM
 )
 add_custom_target(flutter_assemble DEPENDS
   "${FLUTTER_LIBRARY}"

desktop/linux/flutter/generated_plugin_registrant.cc

@@ -2,15 +2,13 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #include "generated_plugin_registrant.h"
 
-#include <file_chooser/file_chooser_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
-  g_autoptr(FlPluginRegistrar) file_chooser_registrar =
-      fl_plugin_registry_get_registrar_for_plugin(registry, "FileChooserPlugin");
-  file_chooser_plugin_register_with_registrar(file_chooser_registrar);
   g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
   url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);

desktop/linux/flutter/generated_plugin_registrant.h

@@ -2,6 +2,8 @@
 //  Generated file. Do not edit.
 //
 
+// clang-format off
+
 #ifndef GENERATED_PLUGIN_REGISTRANT_
 #define GENERATED_PLUGIN_REGISTRANT_
 

desktop/linux/flutter/generated_plugins.cmake

@@ -3,7 +3,6 @@
 #
 
 list(APPEND FLUTTER_PLUGIN_LIST
-  file_chooser
   url_launcher_linux
 )
 

desktop/pubspec.yaml

@@ -6,11 +6,7 @@ environment:
   sdk: ">=2.3.0 <3.0.0"
 
 dependencies:
-  file_chooser:
-    git:
-      url: git://github.com/google/flutter-desktop-embedding.git
-      path: plugins/file_chooser
-      ref: bd722fbdb6d491d4b7781c240543ed3b3b181063
+  file_picker: ^4.5.1
   flutter:
     sdk: flutter
   musicus_common: